Borsig GmbH


Dehydration of azeotropic mixtures of solvents by pervaporation

BORSIG Membrane Technology GmbH has successfully expanded the advanced liquid separation portfolio by its new product BORSIG Pevaporation Unit.

Pervaporation is a membrane-based process that is used for the dehydration of various azeotropic solvent mixtures.

The heart of the BORSIG Pervaporation Unit are the high -performance PERVAPTM membranes from DeltaMem AG.

In 2019, BORSIG, together with DeltaMem, planned and built a unit for ethanol dehydration for an Asian customer from the pharmaceutical industry. The plant is designed for continuous drying of ethanol (initial water content of 10 wt%) down to a water content of 0.5 wt%. The pervaporation unit was delivered in September 2019

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